if u go "give your opinion" change the category to "games missing cards"
leave a message telling what cards that need 2 b added .
make sure to make sure to include
witch game
witch set if that set is all already here TCO or if it a new set
card number
card rarity
card text
& let them know if u can provide images

as far as new boosters sets , starter deck & structure decks
i think they got that covered.